Grammar corrections from Eric Theise - https://github.com/erictheise/postgis/commit/b76aeaf6b2539345d44f3c2d60fbd84625e3467d

git-svn-id: http://svn.osgeo.org/postgis/trunk@13142 b70326c6-7e19-0410-871a-916f4a2858ee
missed get to gets correction in last commit

git-svn-id: http://svn.osgeo.org/postgis/trunk@13144 b70326c6-7e19-0410-871a-916f4a2858ee
fix link to vincent's topology talk -- point to 2012 instead of 2010 one.

git-svn-id: http://svn.osgeo.org/postgis/trunk@13146 b70326c6-7e19-0410-871a-916f4a2858ee
change title and point to raw version of vincent's topology pgconf 2012 talk

git-svn-id: http://svn.osgeo.org/postgis/trunk@13148 b70326c6-7e19-0410-871a-916f4a2858ee
Update documentation for changes to geography

- Try to use CamelCase for geometry types, and fix other abbreviations
- Update older statements where on SRID=4326 was supported
- Use the language "geodesic", with refrences to direct and inverse solutions
Merge branch 'svn-trunk' of https://github.com/postgis/postgis into geodesic